body{
	font-size: 16px;
}
.floatR{
	float: right;
	margin-right: 20px;
}
.gray999{
	color: #999;
}
.flex-box {
	display: -webkit-flex;
	display: flex;
	flex-direction: row;
	flex-wrap: nowrap;
}
.mui-content{
	padding-bottom: 50px;
}
.mui-icon-arrowleft{
	color: #000;
}
